【2 in 1 Functional Design】 Combines a Bluetooth-compatible keyboard with a leather and TPU protective cover for comprehensive protection and enhanced functionality 【Stable Bluetooth-compatible Connection】 The Bluetooth-compatible keyboard provides a stable and reliable connection with long-lasting button life for efficient typing 【Built-In Battery and Touchpad】 Equipped with a 200mAh rechargeable lithium battery and an integrated touchpad for added convenience and practicality 【Stylus Pen Slot】 Includes a dedicated pen slot to securely hold your stylus pen (stylus pen not included), keeping it easily accessible 【Convertible Stand Function】 Designed to convert into a sturdy stand, allowing hands-free viewing for movies, web browsing, or other tasks Specification: Keyboard Bluetooth-compatible version: Bluetooth-compatible 3.0 Effective operating distance: 10 meters Modulation method: GFSK Working voltage: 3.0-4.2V Working current: <2.5mA Standby current: <0.3mA Sleep current: <40uA Charging current: >200mA Standby time: >100 days Charging time: 3-4 hours Lithium battery capacity: 200mAh Sustainable working hours: 100 hours Lithium battery life: 3 years Button force: 80±10g Button life: 5 million clicks Working temperature: -10 to +55℃ Interface: Type-C